Surprisingly, a positive risk–return relationship has not been consistently observed for the traditional GARCH in the mean model in other studies. In this paper, we employ a combination of the jump diffusion and GARCH model in the mean equation to test the risk–return relationship for U.S....

By employing daily data we investigated the relationship between the role of macroeconomic announcements and equity returns via their connection to Fama-French (FF) factors. Macroeconomic announcements had a profound effect on equity returns, the FF factors and momentum. We find that the...

This paper investigates the sources of time-varying risk for the US stock and bond markets. The model captures the change in the risk premium due to each market's own volatility risk and the covariance risk. We test for the effects of macroeconomic news on time-varying volatility as well as...